The IHV/PV ratio is predictive of tension-free fascia closure for hernias or incisional hernias with loss of domain. Simplification of the volumetry method is necessary.

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Initial BMI was significantly higher in the SG group but was no longer significantly different from the BMI of the GB group at 12 and 24 months. Excess BMI loss was higher after SG than after GB. This reduction of BMI was considered to be a success for GB. Thus, results of SG should be considered as a success. Quality of life was not significantly different between the three groups. These results validated SG as first procedure or after failure of GB.

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